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« เมื่อ: ตุลาคม 28, 2007, 08:50:21 PM »





 
In Asia, the Grobest Group is involved in a wide range of aquaculture operations, from hatcheries and farms to feed mills and processing plants.  In Vietnam, in partnership with I-Mei Industrial, it produces fish and shrimp feeds, operates a processing plant and runs a research hatchery/farm.
 
Shen Yen Ling, vice general manager, said Grobest feeds are traceable and its processing plants have received HACCP (Hazard Analysis and Critical Control Point, a USA/FDA program) and European Union accreditation.
 
Shen said: Culture of Penaeus vannamei is picking up in central Vietnam, around Da Nang, and in northern Vietnam, around Halong.  Selling prices have been attractive in comparison to the cost of production.  In June 2007, vannamei were at $3.15 for 100-count, whole animals per kilogram.  Recently that price declined to $2.50.  The food conversion ratio is low at 0.98.  At a stocking density of 200/m2, the cost of production is $2.20 for 70 to 100-count, whole shrimp.
 
GroBest plans to set up a domestication center for P. monodon in An Giang Province (southern Vietnam, adjacent to Cambodia) that will become the center of its domestication program in Asia.
 
Grobest supplies SPF vannamei postlarvae and quality monodon postlarvae to shrimp farmers from its new hatchery in Nha Trang.
 
Grobest will also construct a new feed mill in southern Vietnam, near the Cambodian border, that will produce fish and shrimp feeds.  It will be in addition to the current feed mill in Dong Nai outside Ho Chi Minh City, which produces feeds for shrimp, grouper, catfish and tilapia.
 
Farmers culturing vannamei in the Nha Trang region use feed formulated for black tiger shrimp, but those in Da Nang use feeds specifically formulated for vannamei.  Shen said: “From our research, we know that when the feed is not cooked enough, feces are white.  This does not happen with our feed.  Feed formulation is also adjusted depending on salinity, seasonal changes (rainy versus dry season) and availability of raw materials.  No changes are made in the premix.  To maintain the quality of the shrimp feed, we raised prices twice in 2006 and once in 2007 because of large increases in raw material prices.  ...In Vietnam, our strong point is that we can assure feed quality quickly by using a NIR machine (near infrared analysis) to check feed composition, which is only possible if there is a large enough database on ingredients.  Each sample analysis takes three minutes.”
 
Grobest’s research and development on aqua feed production is carried out in Taiwan and transferred to the mill in Vietnam.  Consultants from the head office in Taiwan provide technical support to mills in China, Vietnam, India, Thailand and Indonesia.  Grobest has 120 salesmen and 8 technical staff for its shrimp and fish feeds.
 
Source: Aqua Culture AsiaPacific (Editor/Publisher, Zuridah Merican, email zuridah@aquaasiapac.com, webpage www.aquaasiapac.com).  Grobest I-Mei: Upstream Expansion.  Volume 3, Number 5, Page 39, September/October 2007
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